 Denmark: Copenhagen - Singles - Main |
|---|
| 1/16-finals | Saceanu C. | Tauson M. | 2:0 (6:1, 6:2) | details | 04.03.1991 |
 Switzerland: Geneva - Singles - Main |
|---|
| Semi-finals | Tauson M. | Bruguera S. | 0:2 (1:6, 2:6) | details | 15.09.1990 |
| Quarter-finals | Leconte H. | Tauson M. | 0:2 (4:6, 3:6) | details | 14.09.1990 |
| 1/8-finals | Tauson M. | Davin F. | 2:0 (6:3, 6:4) | details | 12.09.1990 |
| 1/16-finals | Kulti N. | Tauson M. | 0:2 (4:6, 3:6) | details | 10.09.1990 |
 Austria: Kitzbuhel - Singles - Main |
|---|
| 1/16-finals | Bruguera S. | Tauson M. | 2:0 (6:3, 6:3) | details | 31.07.1990 |
| 1/32-finals | Arguello R. | Tauson M. | 1:2 (7:6, 4:6, 6:7) | details | 30.07.1990 |
 Italy: Genoa - Singles - Main |
|---|
| 1/16-finals | Tauson M. | Skoff H. | 0:2 (3:6, 0:6) | details | 18.06.1990 |
 Croatia: Umag - Singles - Main |
|---|
| 1/16-finals | Tauson M. | Perez D. | 0:2 (6:7, 4:6) | details | 14.05.1990 |
 Netherlands: Rotterdam - Singles - Main |
|---|
| Semi-finals | Gilbert B. | Tauson M. | 2:0 (6:3, 6:3) | details | 03.03.1990 |
| Quarter-finals | Tauson M. | Gustafsson M. | 2:1 (6:3, 1:6, 7:6) | details | 01.03.1990 |
| 1/8-finals | Haarhuis P. | Tauson M. | 1:2 (6:2, 3:6, 6:7) | details | 27.02.1990 |
| 1/16-finals | Schapers M. | Tauson M. | 0:2 (6:7, 5:7) | details | 26.02.1990 |
 Australia: Australian Open - Singles - Main |
|---|
| 1/64-finals | Jones K. | Tauson M. | 3:2 (6:3, 5:7, 2:6, 6:2, 6:3) | details | 15.01.1990 |
